Tennessee State Route 173
| |
|---|---|
| Route information | |
| Length: | 13.1 mi (21.1 km) |
| Major junctions | |
| West end: |
   I-26 / US 19W / US 23 in Unicoi |
 SR 107 in Unicoi | |
| East end: |
  US 19E / SR 37 in Tiger Valley |
| Location | |
| Counties: | Unicoi, Carter |
| Highway system | |
State Route 173 (SR 173) is a state highway in Unicoi and Carter counties in the U.S. state of Tennessee. It connects the town of Unicoi with the community of Tiger Valley.
Route description
SR 173 begins at Interstate 26/U.S. Route 19W/U.S. Route 23 (I-26/US 19W/US 23) exit 32 in the town of Unicoi. It goes eastward to Unicoi Drive and turns southward onto Unicoi Drive. SR 173 follows Unicoi Drive for less than a mile to a junction with SR 107. SR 173 turns back east onto SR 107. SR 107/SR 173 goes through rural mountain areas until the community of Limestone Cove where SR 107 turns southward and SR 173 turns eastward continuing through rural mountainous terrain to the community of Tiger Valley where it comes to an end at US 19E.
Major intersections
| County | Location | mi | km | Destinations | Notes |
|---|---|---|---|---|---|
| Unicoi | Unicoi | 0.00 | 0.00 | I-26 / US 19W / US 23 – Johnson City, Asheville | Western terminus; I-26/US 19W/US 23 exit 32 |
| 0.04 | 0.06 | Unicoi Drive – Johnson City | SR 173 turns south onto Unicoi Drive | ||
| 1.01 | 1.63 | SR 107 west (Unicoi Drive) – Erwin | Western end of SR 107 concurrency | ||
| Limestone Cove | 6.06 | 9.75 | SR 107 east (Limestone Cove Road) – Buladean | Eastern end of SR 107 concurrency | |
| Carter | Tiger Valley | 13.01 | 20.94 | US 19E – Roan Mountain, Hampton, Elizabethton | Eastern terminus |
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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